adj adv 1 already used or owned by sb else 用过的;旧的;二手的: a second-hand car 一辆旧车I bought this camera second-hand. 我买的这部照相机是二手货。 ☞Look at old. 参看old。
2 (used about news or information) that you heard from sb else, and did not see or experience yourself (指新闻或消息)间接获知的,二手的 ☞Look at hand. 参看hand。